Mordernize code base with __dir__ and require_relative

example/server/liquid_servlet.rb

@@ -24,6 +24,6 @@ class LiquidServlet < WEBrick::HTTPServlet::AbstractServlet
   end
 
   def read_template(filename = @action)
-    File.read( File.dirname(__FILE__) + "/templates/#{filename}.liquid" )
+    File.read("#{__dir__}/templates/#{filename}.liquid")
   end
 end

example/server/server.rb

@@ -1,11 +1,9 @@
 require 'webrick'
 require 'rexml/document'
 
-DIR = File.expand_path(File.dirname(__FILE__))
-
-require DIR + '/../../lib/liquid'
-require DIR + '/liquid_servlet'
-require DIR + '/example_servlet'
+require_relative '../../lib/liquid'
+require_relative 'liquid_servlet'
+require_relative 'example_servlet'
 
 # Setup webrick
 server = WEBrick::HTTPServer.new( :Port => ARGV[1] || 3000 )

lib/liquid.rb

@@ -73,4 +73,4 @@ require 'liquid/token'
 
 # Load all the tags of the standard library
 #
-Dir[File.dirname(__FILE__) + '/liquid/tags/*.rb'].each { |f| require f }
+Dir["#{__dir__}/liquid/tags/*.rb"].each { |f| require f }

lib/liquid/i18n.rb

@@ -2,7 +2,7 @@ require 'yaml'
 
 module Liquid
   class I18n
-    DEFAULT_LOCALE = File.join(File.expand_path(File.dirname(__FILE__)), "locales", "en.yml")
+    DEFAULT_LOCALE = File.join(File.expand_path(__dir__), "locales", "en.yml")
 
     TranslationError = Class.new(StandardError)
 

lib/liquid/tags/unless.rb

@@ -1,4 +1,4 @@
-require File.dirname(__FILE__) + '/if'
+require_relative 'if'
 
 module Liquid
   # Unless is a conditional just like 'if' but works on the inverse logic.

performance/benchmark.rb

@@ -1,5 +1,5 @@
 require 'benchmark/ips'
-require File.dirname(__FILE__) + '/theme_runner'
+require_relative 'theme_runner'
 
 Liquid::Template.error_mode = ARGV.first.to_sym if ARGV.first
 profiler = ThemeRunner.new

performance/profile.rb

@@ -1,5 +1,5 @@
 require 'stackprof' rescue fail("install stackprof extension/gem")
-require File.dirname(__FILE__) + '/theme_runner'
+require_relative 'theme_runner'
 
 Liquid::Template.error_mode = ARGV.first.to_sym if ARGV.first
 profiler = ThemeRunner.new

performance/shopify/database.rb

@@ -5,7 +5,7 @@ module Database
   # to liquid as assigns. All this is based on Shopify
   def self.tables
     @tables ||= begin
-      db = YAML.load_file(File.dirname(__FILE__) + '/vision.database.yml')
+      db = YAML.load_file("#{__dir__}/vision.database.yml")
 
       # From vision source
       db['products'].each do |product|

performance/shopify/liquid.rb

@@ -1,13 +1,13 @@
-$:.unshift File.dirname(__FILE__) + '/../../lib'
-require File.dirname(__FILE__) + '/../../lib/liquid'
+$:.unshift __dir__ + '/../../lib'
+require_relative '../../lib/liquid'
 
-require File.dirname(__FILE__) + '/comment_form'
-require File.dirname(__FILE__) + '/paginate'
-require File.dirname(__FILE__) + '/json_filter'
-require File.dirname(__FILE__) + '/money_filter'
-require File.dirname(__FILE__) + '/shop_filter'
-require File.dirname(__FILE__) + '/tag_filter'
-require File.dirname(__FILE__) + '/weight_filter'
+require_relative 'comment_form'
+require_relative 'paginate'
+require_relative 'json_filter'
+require_relative 'money_filter'
+require_relative 'shop_filter'
+require_relative 'tag_filter'
+require_relative 'weight_filter'
 
 Liquid::Template.register_tag 'paginate', Paginate
 Liquid::Template.register_tag 'form', CommentForm

performance/theme_runner.rb

@@ -6,8 +6,8 @@
 # Shopify which is likely the biggest user of liquid in the world which something to the tune of several
 # million Template#render calls a day.
 
-require File.dirname(__FILE__) + '/shopify/liquid'
-require File.dirname(__FILE__) + '/shopify/database.rb'
+require_relative 'shopify/liquid'
+require_relative 'shopify/database'
 
 class ThemeRunner
   class FileSystem
@@ -25,7 +25,7 @@ class ThemeRunner
   # Load all templates into memory, do this now so that
   # we don't profile IO.
   def initialize
-    @tests = Dir[File.dirname(__FILE__) + '/tests/**/*.liquid'].collect do |test|
+    @tests = Dir[__dir__ + '/tests/**/*.liquid'].collect do |test|
       next if File.basename(test) == 'theme.liquid'
 
       theme_path = File.dirname(test) + '/theme.liquid'

test/test_helper.rb

@@ -4,7 +4,7 @@ ENV["MT_NO_EXPECTATIONS"] = "1"
 require 'minitest/autorun'
 require 'spy/integration'
 
-$:.unshift(File.join(File.expand_path(File.dirname(__FILE__)), '..', 'lib'))
+$:.unshift(File.join(File.expand_path(__dir__), '..', 'lib'))
 require 'liquid.rb'
 require 'liquid/profiler'
 
@@ -25,7 +25,7 @@ end
 module Minitest
   class Test
     def fixture(name)
-      File.join(File.expand_path(File.dirname(__FILE__)), "fixtures", name)
+      File.join(File.expand_path(__dir__), "fixtures", name)
     end
   end